Hey Ondra.
All cool, I agree with Romullus, better to have something good than something... less good hahaha
Now regarding this: "I have too much work right now"
That's why I was asking for that info and questioning the new VFB initiative, why to start that initiative if there are others probably more important (regarding the kind of impact it's going to have in everybody's work) specially if you are full loaded, but in any case, I don't know your internal organization hence it's possible that the new VFB has nothing to do with the available resources for those other initiatives.
Regarding this: "Volumetric Rendering : Not key archivz feature"
Is Corona going to stay as an ArchViz render engine for much longer? We (and I suspect others too) have very different type of projects, some projects are arch viz related and some are more advertising and others are a mixture of both, so advanced features like volumetric rendering, hair support (even useful in ArchViz) and such things may be very welcome in general.
Being sincere, I'm tired of having the same fight with every render engine development team I faced, inside Autodesk, outside Autodesk, everyone seems to love to make render engines for ArchViz, and no one seems to be interested in making real evolutions that may have a real impact in other fields, there are tons of advanced features in vray that no one though that could be useful for viz, but they did that, and because of that no just archviz has evolved but vray was adopted in different fields that were not it's target (and that became it's target after realizing they were able to do it)
I have sincere hope you can open up a bit more the development for non-obvious archviz features in the near future, this is not a rant, it's just I would like to stop hearing that ALL the render engines in the market are arch viz engines, mental ray is arch viz oriented except if you use the standalone, maxwell is arch viz oriented even with it's advanced features they excuse it's speed saying that it is because they want better quality, any other engine excuse their lack of features with the archviz reason, while the archviz market is growing fast and the clients are asking for effects, for "wow" type of shots, for simulations, volumes, liquids, advanced integration with real footage, and similar advanced things.
Please understand that this is not a rant (because it's not) but as a though based in recent events and projects, arhcviz is not just "good light" nowadays, they want a feature film with feature film details, and we want Corona to deliver it :)
And about the 1.5 for the super fast biased engine, it's cool just to know that it's real, no matter if it's coming for 1.5/1.6/1.x or even 2.x, the sooner the better, but it's cool to know it's in your mind.
Cheers!